<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a16003-9f9d-7871-a607-728580a974c9,g:0ec055cd-2ecd-46b1-8d73-ba2f1843fbf2-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_ck0001604813_S000085700Member_label_en-US" xlink:label="lab_ck0001604813_S000085700Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Abacus FCF Small Cap Leaders ETF</link:label>
    <link:label id="lab_ck0001604813_S000085700Member_documentation_en-US" xlink:label="lab_ck0001604813_S000085700Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">S000085700 C000251044 Abacus FCF Small Cap Leaders ETF ABLS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001604813_S000085700Member" xlink:href="ck0001604813-20261021.xsd#ck0001604813_S000085700Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001604813_S000085700Member" xlink:to="lab_ck0001604813_S000085700Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001604813_S000069939Member_label_en-US" xlink:label="lab_ck0001604813_S000069939Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Abacus FCF Innovation Leaders ETF</link:label>
    <link:label id="lab_ck0001604813_S000069939Member_documentation_en-US" xlink:label="lab_ck0001604813_S000069939Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">S000069939 C000222767 Abacus FCF Innovation Leaders ETF ABOT</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001604813_S000069939Member" xlink:href="ck0001604813-20261021.xsd#ck0001604813_S000069939Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001604813_S000069939Member" xlink:to="lab_ck0001604813_S000069939Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001604813_S000054995Member_label_en-US" xlink:label="lab_ck0001604813_S000054995Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Abacus FCF Leaders ETF</link:label>
    <link:label id="lab_ck0001604813_S000054995Member_documentation_en-US" xlink:label="lab_ck0001604813_S000054995Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">S000054995 C000172974 Abacus FCF Leaders ETF ABFL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001604813_S000054995Member" xlink:href="ck0001604813-20261021.xsd#ck0001604813_S000054995Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001604813_S000054995Member" xlink:to="lab_ck0001604813_S000054995Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001604813_S000069940Member_label_en-US" xlink:label="lab_ck0001604813_S000069940Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Abacus Flexible Bond Leaders ETF</link:label>
    <link:label id="lab_ck0001604813_S000069940Member_documentation_en-US" xlink:label="lab_ck0001604813_S000069940Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">S000069940 C000222768 Abacus Flexible Bond Leaders ETF ABXB</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001604813_S000069940Member" xlink:href="ck0001604813-20261021.xsd#ck0001604813_S000069940Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001604813_S000069940Member" xlink:to="lab_ck0001604813_S000069940Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001604813_S000056835Member_label_en-US" xlink:label="lab_ck0001604813_S000056835Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Abacus FCF International Leaders ETF</link:label>
    <link:label id="lab_ck0001604813_S000056835Member_documentation_en-US" xlink:label="lab_ck0001604813_S000056835Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">S000056835 C000180511 Abacus FCF International Leaders ETF ABLG</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001604813_S000056835Member" xlink:href="ck0001604813-20261021.xsd#ck0001604813_S000056835Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001604813_S000056835Member" xlink:to="lab_ck0001604813_S000056835Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001604813_S000074479Member_label_en-US" xlink:label="lab_ck0001604813_S000074479Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Abacus FCF Real Assets Leaders ETF</link:label>
    <link:label id="lab_ck0001604813_S000074479Member_documentation_en-US" xlink:label="lab_ck0001604813_S000074479Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">S000074479 C000232424 Abacus FCF Real Assets Leaders ETF ABLD</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001604813_S000074479Member" xlink:href="ck0001604813-20261021.xsd#ck0001604813_S000074479Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001604813_S000074479Member" xlink:to="lab_ck0001604813_S000074479Member" xlink:type="arc" order="1"/>
  </link:labelLink>
</link:linkbase>
